Is thetford toilet spares profitable to sell on Amazon United Kingdom?

The niche generates £66K/yr across 18 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is +99.2%. Flapen's verdict: Worth a look (52/100).

How competitive is the thetford toilet spares niche?

9 brands and 38 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 93% of demand.

What do buyers complain about in thetford toilet spares?

Top complaints mined from reviews: Compatibility-Overall, Value For Money, Connectivity-Overall. The return rate is 1.2%.

When does demand for thetford toilet spares peak?

Demand peaks in May–Jun–Jul–Aug–Sep; the busiest month runs 5.7× the quietest.

What does it cost to enter the thetford toilet spares niche?

Listings span £4.83–£126.04; the average listing price is £58.38 (sweet spot $15–$100). The average incumbent carries 782 reviews — the moat a new listing must climb.

thetford toilet spares

Worth a look

Shows demand growing +99.2% this quarter, but a small market ($66K/yr) keeps it on the watch list.

Growth

Great+99.2%

90-day search growth — must beat 0% to launch

Returns

Great1.2%

return rate — above 5% kills the launch gate

Avg price

Great£58.38

avg listing price — sweet spot $15–$100

Price range

Good£4.83–£126.04

cheapest to priciest tracked listing — scored on the share inside $15–$100

Review moat

Good781.56

avg incumbent reviews — the moat a new listing must climb

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Conversion

Okay2.4%

search→purchase rate — share of searches ending in a sale

Competition

Okay69%

top-5 click share — leaders hold, buyers still browse

Brand share

Bad93%

top-5 brand share — brand-locked demand

Market size

Bad£66K

£66K/yr · 48K searches

Signals High Price

According to Flapen's Amazon United Kingdom niche tracking, thetford toilet spares is a £66K/yr Amazon United Kingdom market (48K searches/yr). The top 5 brands hold 93% of demand. Demand peaks in May–Jun–Jul–Aug–Sep. Verdict: Worth a look — 52/100.

Data updated Jul 18, 2026 · scored weekly · How we score niches

thetford toilet spares market data

Units sold / yr: 1K–2K; avg 0–100/product
Revenue / yr: £73K–£88K; units × avg price
Conversion rate: 2.4%
Avg BSR: #1,181
Page quality: 0%
Prime: 78%
Sponsored: 44%
Out of stock: 13.2%
Avg brand age: 32 months
Avg seller age: 198 days

Competition & brand share

The top 5 products take 69% of clicks — established leaders, but buyers still shop beyond them.

Brands

9 rising

Sellers

Top-5 brand share

93%

Top 20: 100%

Top-5 click share

69%

Top 20: 100%

Open market

Thetford79%
Generic6%
URAQT3%
ACOLY2%
teasteam2%
VHEUHZ2%
Open — no brand owns it (3 brands, 5%)

Demand & seasonality

Weekly Amazon search volume, last 54 weeks — +99.2% search growth over the last 90 days.

Peak months: May, Jun, Jul, Aug, Sep · busiest ÷ quietest = 5.7×

Open Trend

Top thetford toilet spares search terms

thetford toilet cassette28K/yr +76.4%1.9% conv.
thetford toilet spares9K/yr +170.0%0.8% conv.
thetford cassette toilet spare parts5K/yr +118.4%0.8% conv.
thetford cassette toilet parts2K/yr +227.6%0.9% conv.
thetford c200 cassette3K/yr +113.5%2.8% conv.

All search terms

Top thetford toilet spares products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 18 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

Thetford 9339362 Fresh-Up Set C250 C260

Thetford£105.254.8★368 rev

Thetford C200 Series Fresh Up Kit Replacement Cassette with Toilet Seat Caravan Motorhome

Thetford£102.764.6★390 rev

Thetford C250 Toilet Fresh-up-Set

Thetford£103.584.7★422 rev

Thetford Porta Potty Portable Toilet Camping/Caravans/Motorhomes Lightweight and Easy to Clean 38.3 x 41.3 x 42.7 cm

Thetford£51.124.7★4,368 rev

Thetford 9338262

Thetford£126.044.7★296 rev

Newest

by launch date

23271 Cassette Toilet Lip Seal Compatible with Thetford C200 C250 C400 C500 C2 C3 C4 Rubber Waste Tank Seal for Caravan & Motorhome Toilets

Generic£4.832 rev

8mo ago

ACOLY Toilet Flush Button Switches RV Flushing Switch Printed Circuit Board 50709 Replacement for Thetford C250 C250 C260

ACOLY£19.065 rev

8mo ago

URAQT Replacement 110mm Toilet Lip Seal 23721 for Thetford Toilets C200 C250 C400 C500 C2 C3 C4 Caravan RV Toilet Waste Tank Motorhome Toilet Waste Tank Seal Toilets Spares and Cassette Seals Fix

URAQT£5.0917 rev

9mo ago

Infinity & Breathe 110mm Replacement Toilet Lip Seal Compatible with Thetford C2 C3 C4 C200 C250 C400 C500 - Caravan Motorhome Cassette Toilet Waste Tank Spares Parts

Infinity & Breathe£6.782 rev

10mo ago

Aartner 23721 Replacement cassette Toilet lip seal 110mm compatible with Thetford toilets C200 C250 C400 C500 C2 C3 C4 models for Caravan & Motorhome toilets and waste Tanks

Aartner£5.042 rev

10mo ago

What buyers say about thetford toilet spares

What buyers praise and complain about, mined from review topics.

What buyers love

Quality-Overall24%

“Fantastic piece of kit”

Size-Overall15%

“Fits perfectly”

Ease Of Cleaning11%

“easy to clean”

Efficiency7%

“Does the job”

Ease Of Use6%

“Ease of use”

Value For Money6%

“offers excellent value for money”

Portability5%

“well made portable potty”

Leak-Proof4%

“completely leak-proof”

Comfort-Overall4%

“comfortable”

Mounting4%

“Great to see I can get a spare part for 25-year-old Caravan”

What buyers complain about

Compatibility-Overall20%

“Not compatible”

Value For Money20%

“It's an expensive”

Connectivity-Overall10%

“disconnected and binned”

Advertised Vs Actual Product10%

“To be returned did not fit as advertised”

Wheel Quality5%

“But as I was taking it if my boat the wheels fell off into the canal”

Quality-Overall5%

“Bad make”

Size-Overall3%

“I believe the capacity is slightly less as they have fitted some unnesary whells that reduces the capacity”

Mechanism Issues3%

“The mechanism had failed”

Smell2%

“masking nasty smells”

Top return reasons

Size-Overall51%

Compatibility-Overall10%

Advertised Vs Actual Product7%

Defective Material/Parts6%

Functionality-Overall6%

Leak-Proof5%

Product Condition4%

Color2%

Quality-Overall2%

Compactness2%

Common questions

Is thetford toilet spares profitable to sell on Amazon United Kingdom?: The niche generates £66K/yr across 18 tracked products. 0 of 5 products launched in the last 360 days are still selling. 90-day search growth is +99.2%. Flapen's verdict: Worth a look (52/100).
How competitive is the thetford toilet spares niche?: 9 brands and 38 sellers compete. The top 5 products take 69% of clicks and top 5 brands hold 93% of demand.
What do buyers complain about in thetford toilet spares?: Top complaints mined from reviews: Compatibility-Overall, Value For Money, Connectivity-Overall. The return rate is 1.2%.
When does demand for thetford toilet spares peak?: Demand peaks in May–Jun–Jul–Aug–Sep; the busiest month runs 5.7× the quietest.
What does it cost to enter the thetford toilet spares niche?: Listings span £4.83–£126.04; the average listing price is £58.38 (sweet spot $15–$100). The average incumbent carries 782 reviews — the moat a new listing must climb.